weapons. >> reporter: with debates raging over guns, mass shootings and arming teachers. >> the teacher would have shot the hell outline of him before he knew what happened. >> reporter: with the president pushing an arm the teachers agenda, shocking reminders of the danger. in california, two schools on opposite sides of the country, guns accidently fired by members of staff. >> i looked down at my shirt like that and there was blood on my shirt. >> 17-year-old gonzales was hit in the neck by a fragment after his teacher and california police reserve officer dennis alexander accidentally fired a single shot into the ceiling during a gun safety demonstration. >> i couldn't believe it. i couldn't believe it. >> reporter: gonzales's father, who was warming to the idea of